C-NPU - Nomenclature, Properties and Units - Joint Committee of IFCC/IUPAC
Magdal U, Dybkaer R, Olesen H, “Properties and units in the clinical laboratory sciences, Part XXIII. The NPU terminology, principles and implementation - a user’s guide”. Clin Chem Lab Med 2012; 50(1): 35-50.
WG-TnI - Standardisazion of TnI
Christenson RH, Bunk DM, Schimmel H, Tate JR, “Point: Put simply, standardization of cardiac troponin I is complicated”. Clin Chem 2012; 58(1): 165-8.